Alexis1994_13
f(z)=(3*z+1)/(z+4*i)
f(2+1)= ?
Please help,I am founding fault result.
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Thomas9
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f(3)=(3*3+1)/(3+4i)=10(3-4i)/25=6/5+4i/25
joemath314159
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was it f(2+i) or f(2+1) = f(3)?
Alexis1994_13
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Sorry! it's f(2+i)!
myininaya
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3
factorial thats scary
myininaya
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i know thats an exclamation mark
myininaya
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\[f(2+i)=\frac{3(2+i)+1}{2+i+4i}\]
what exactly do you want?
you seem to be in upper level class so what should i write this as
or i mean what is the goal
joemath314159
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scanning solution now, answer in sec....then breakfast >.>
myininaya
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im gonna have a fruit smoothie
joe what state do you live in?
joemath314159
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Texas (sadly)
myininaya
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i live next door
joemath314159
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solution, might be wrong, i think its right though. hunger has adverse effects on math.
myininaya
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so im sadder
Alexis1994_13
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I am founding (7+3i)/(2+5i) but the answer is 1-i.
joemath314159
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next door? Louisiana? i think thats spelled right
myininaya
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no arkansas
joemath314159
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LOL i added wrong. 14+15 is 29, not 39
myininaya
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see we arent all hicks
joemath314159
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you are on the right path alexis, you just need to get the complex number out of the denominator of that fraction.
joemath314159
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thats true, we all arent hick lolol
Alexis1994_13
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I was never think do mutliply with (2+5i).
Thanks a lot guys! :D
myininaya
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\[\frac{7+3i}{2+5i}*\frac{2-5i}{2-5i}=\frac{14-35i+6i-15i^2}{4-5i^2}\]
myininaya
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lol
myininaya
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go eat your breakfast
joemath314159
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alright.....breakfast, i'll see you guys later lol
Alexis1994_13
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I hope you will be here to answer and at my next questions :D lol
myininaya
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are you in algebra?
myininaya
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im confused because some of these questions seems algebra like and some look little different
Alexis1994_13
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Yes,Algebra. Coplex part.
myininaya
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complex part?
Alexis1994_13
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At complex chapter.
anonymous
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still up
myininaya
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yep my hours are messed up
anonymous
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wow you should get some sleep. not good to stare at computer all night
myininaya
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3
i watched the racoons in backyard at 5 ish
anonymous
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raccoons in the back yard?!
myininaya
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i put cat food out for the wild cats but i seen like 5 racoons gang bang it this morning
myininaya
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they are interesting
Alexis1994_13
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Answer to my new question :D
anonymous
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wild cats! raccoons! what in the world? any opossums?
myininaya
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k
anonymous
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i would think the cats would scare off the raccoons
myininaya
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yes i see opossums around here
anonymous
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i thought you were on the west coast. shows you what i know
anonymous
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you doing complex variables problems?
radar
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Alexis please review the multiplication of the denominator:
(2+5i)(2-5i). It is not:\[4-5i ^{2}\]
myininaya
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because its 4-25i^2 lol